Right-wing media have hyped a study published by conservative groups American Enterprise Institute (AEI) and the Heritage Foundation that claims "public-school teachers are not underpaid in wages by private-sector standards, and they may even be overpaid." But many other studies have shown that public school teachers are paid relatively less than comparable workers, that their wages have been declining for decades, that U.S. teachers are paid less than their counterparts in most other Organization for Economic Co-operation and Development (OECD) countries, and that low teacher pay hurts recruitment and retention.